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Electrical

 
DB No.
Year
Subject
1
2010
Issue of Burning of Radiator Cooling Fan Cables in EMD locos.
2
2011
Modification/Rectification in manufacturing process of controller ASM Dynamic in EMD locomotives supplied by M/s Kay Sons Electrical Pvt. Ltd. Varanasi.
3
2012
Issue of failure of amphenol plug of engine governor (Woodward) in HHP locomotives.
4
2013
Issue of Failure of Inverter Card of Air Conditioning Unit Supplied by M/s DPG/USA.
5
2014
Deletion of Low coolant level Sw in 4500 HP WDG4/WDP4B/WDP$D Locomotive
6
2010
Provision of microprocessor driven Speed indicator on ALCO locomotives in place of conventional standalone speed indicator cum recorder.
7
2011
Issue of failure of locomotive no. WDP4B-40021 due to abnormal operation of PCS circuit.
8
2012
Use of additional Horn Push Button switch for assistant loco Pilot in control console #1 & #2 in WDG4/WDP4B locomotives.
9
2013
Modification of Indication Light Panel ASM to DRG No. 10622773/DLW Part No. 18000162 for WDG4/WDP4B Locomotives supplied by M/s Trolex/Bangalore & M/s Pricol/Coimbatore.
10
2014
Relocation of Alarm Bell in Control Console #1 & #2 in WDG4/WDP4B Locomotives.
11
2012
Indication/Crew message provision regarding failure of Turbo Lube Soak Back Pump Motor in HHP locomotives.
12
2013
Use of LED based cab light with spot light in place of lamp/CFL type cab light in HHP and ALCO Locomotives
13
2014
Modification in end terminal of Head Light resistor 3.75 Drg. No. 8429166 Pl no. 18300352 used in 4500 HP WDG4/WDP4B/WDP4D Locomotives.
14
2012
Modification of Location of Head Light Resistance ASM & removing mesh type cover ASM (short hood side) in HHP Locomotive.
15
2013
Issues of Loco Failures due to breakage of wires in Governor Plug
16
2014
Application of Silicon Grease on housing hole o manual push button of Radiator Fan Contactor (ECC3#3} in HHP Locomotives.
17
2012
Issue of Burning for removal of RC circuits (Snubber Circuits) from Traction alternators of 4000/4500HP HHP Locomotives.
18
2013
Fitment of cab fan without resistor in HHP Locomotives.
19
2013
Modification in electrical circuit to avoid discharge of battery in HHP locos due to repeated cranking.
20
2013
Modification in electrical circuit to avoid descharge of battery in operation in both cab during locomotive shut down condition.
21
2013
Taking precautions during meaning and welding to avoid the failure of Diodes & fuses of traction alternators for HHP Locomotives.
 
 
 
 

 



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